CN102647646B - Bracelet type Bluetooth earphone and bracelet type Bluetooth earphone circuit - Google Patents
Bracelet type Bluetooth earphone and bracelet type Bluetooth earphone circuit Download PDFInfo
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- CN102647646B CN102647646B CN201210100962.5A CN201210100962A CN102647646B CN 102647646 B CN102647646 B CN 102647646B CN 201210100962 A CN201210100962 A CN 201210100962A CN 102647646 B CN102647646 B CN 102647646B
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Abstract
The embodiment of the invention discloses a kind of bracelet type Bluetooth earphone circuit, comprise the Bluetooth earphone circuit and bracelet body circuit that are separated and arrange, wherein: Bluetooth earphone circuit comprises: Bluetooth antenna module, process chip and first interface unit; Bracelet body circuit comprises: motor, switch triode and the second interface unit, first interface unit is connected with the second interface unit alternative, and when first interface unit is connected with the second interface unit, process chip exports oscillation control signal to bracelet body circuit to make the axis of rotation of motor according to the working state of mobile phone that Bluetooth antenna module obtains, rotating shaft one end is fixedly installed cam, and cam rotates around the axis to produce vibration.The embodiment of the present invention further discloses a kind of bracelet type Bluetooth earphone.By above disclosure, the operating state of technical scheme energy instant alerts user mobile phone disclosed in this invention changes, and can not have ignored mobile phone state, improve Consumer's Experience because ambient sound is noisy.
Description
Technical field
The present invention relates to electricity field, particularly relate to a kind of bracelet type Bluetooth earphone and bracelet type Bluetooth earphone circuit.
Background technology
In today that wireless communication technology is widely applied, Bluetooth technology has become a technology the most universal in short-distance wireless application.Bluetooth technology is mainly used in transmission and the field of wireless communication of short distance low volume data.
Along with rapid technological growth and human lives's quality day by day promote, bluetooth earphone is more and more widely used.But, current bluetooth earphone product ubiquity on the market some shortcomings, such as: when user is in some specific environment, such as, when the workshop that noise is large, road, public venues etc., incoming call prompting sound will cover by the noise of these environment; If bluetooth earphone not to be worn on ear just prompt tone that can't hear incoming call etc. during incoming call.These problems all likely make user miss phone, thus affect Consumer's Experience.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of bracelet type Bluetooth earphone circuit, vibration can be realized when the operating state of mobile terminal changes, thus the operating state of energy instant alerts customer mobile terminal changes, the state of mobile terminal can not be have ignored because ambient sound is noisy, improve Consumer's Experience.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of bracelet type Bluetooth earphone circuit, comprise the Bluetooth earphone circuit and bracelet body circuit that are separated and arrange, wherein: Bluetooth earphone circuit comprises: Bluetooth antenna module, for obtaining the operating state of mobile phone; Process chip, comprise first input end mouth and the first output port, first input end mouth is connected with Bluetooth antenna module, obtains operating state from Bluetooth antenna module, and process chip exports oscillation control signal according to working state control first output port; First interface unit, is connected with the first output port; Bracelet body circuit comprises: motor, comprises positive source incoming end and power cathode incoming end, and a supply power voltage inputs to positive source incoming end and thinks motor power supplying; Switch triode, the emitter of switch triode is connected with power cathode incoming end, grounded collector; Second interface unit, is connected with the base stage of switch triode; Wherein, first interface unit is connected with the second interface unit alternative, and when first interface unit is connected with the second interface unit, first output port is connected with base stage, base stage controls emitter according to the oscillation control signal that the first output port exports and is communicated with collector electrode, to make the axis of rotation of motor, rotating shaft one end is fixedly installed cam, and rotating shaft band moving cam rotates to produce vibration.
Wherein, process chip comprises the first power supply port further, first interface unit port of powering with first is further connected, second interface unit is connected with positive source incoming end further, process chip controls the first power supply port and exports supply power voltage, when first interface unit is connected with the second interface unit, positive source incoming end and first port of powering is connected, and supply power voltage inputs to positive source incoming end by the first power supply port.
Wherein, bracelet body arranges voltage transformation unit further between the second interface unit and positive source incoming end, and voltage transformation unit comprises: voltage input end, is connected with the second interface unit; Voltage output end, is connected with positive source incoming end; When first interface unit is connected with the second interface unit, the supply power voltage obtained from the second interface unit is converted to the rated operational voltage of motor and exports voltage output end to by voltage transformation unit.
Wherein, bracelet body is provided with battery further, the positive pole of battery is connected with positive source incoming end, minus earth, and the positive pole of battery provides supply power voltage to enter to positive source incoming end.
Wherein, bracelet body comprises USB interface further, process chip comprises charging voltage input port further, the VBUS port of USB interface is connected with the second interface unit, charging voltage input port is connected with first interface unit, when first interface unit is connected with the second interface unit, VBUS port is connected with charging voltage input port.
Wherein, the Data+ port of USB interface and Data-port unsettled.
Wherein, the Data+ port of USB interface is connected with the second interface unit respectively with Data-port, process chip comprises the first data processing port and the second data processing port that are connected with first interface unit respectively further, when first interface unit is connected with the second interface unit, Data+ end is connected with the first data processing port, and Data-port is connected with the second data processing port.
Wherein, process chip exports the oscillation control signal with different frequency according to different working state control first output ports.
Wherein, operating state comprises coming electricity condition, gets new message state, gets new mail state and the not enough state of electricity.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of bracelet type Bluetooth earphone, and it comprises above-mentioned bracelet type Bluetooth earphone circuit.
The invention has the beneficial effects as follows: the situation being different from prior art, bracelet type Bluetooth earphone circuit of the present invention is by being separated setting by Bluetooth earphone circuit with bracelet body circuit, the circuit utilizing first interface unit and the second interface unit to realize between Bluetooth earphone circuit and bracelet body circuit connects, Bluetooth earphone circuit produces oscillation control signal according to working state of mobile phone, and utilize circuit connection that this oscillation control signal is transferred to bracelet body circuit to control the motor vibrations on bracelet body circuit, thus produce vibration, the operating state of energy instant alerts user mobile phone changes, mobile phone state can not be have ignored because ambient sound is noisy, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the perspective view of bracelet type Bluetooth earphone one preferred embodiment of the present invention;
Fig. 2 is the decomposing schematic representation of the bracelet type Bluetooth earphone shown in Fig. 1;
Fig. 3 is the partial cross section schematic diagram of the bracelet type Bluetooth earphone shown in Fig. 1;
Fig. 4 is the electrical block diagram of bracelet type Bluetooth earphone circuit first embodiment of the present invention;
Fig. 5 is the electrical block diagram of bracelet type Bluetooth earphone circuit second embodiment of the present invention.
Embodiment
Below in conjunction with Fig. 1 to Fig. 4, the present invention is described in detail:
See also Fig. 1 to Fig. 3, Fig. 1 is the perspective view of bracelet type Bluetooth earphone one preferred embodiment in the embodiment of the present invention, and Fig. 2 is the decomposing schematic representation of the bracelet type Bluetooth earphone shown in Fig. 1.
As shown in Figure 1 and Figure 2, the invention provides a kind of bracelet type Bluetooth earphone 10, this bracelet type Bluetooth earphone 10 comprises bluetooth earphone 100 and bluetooth bracelet 200.
Wherein, this bluetooth earphone 100 comprises headset main body portion 110 and receiver portion 120, and this bluetooth bracelet 200 comprises bracelet main part 210 and wrist strap portion 220.
In embodiments of the present invention, the first magnet unit (not shown) is provided with in this headset main body portion 110, be provided with the second magnet unit (not shown) in this bracelet main part 210, with the magnetic absorption effect of this second magnet unit 211, this bluetooth earphone 100 be placed on this bluetooth bracelet 200 by this first magnet unit 111.
And, in embodiments of the present invention, this bracelet main part 210 is provided with first interface unit 303, this headset main body portion 110 is provided with the second interface unit 305, wherein this first interface unit 303 and the second interface unit 305 are conductive metal material, when bluetooth earphone 100 is placed on bluetooth bracelet 200, first interface unit 303 and the second interface unit 305 are interconnected, to ensure that bracelet main part 210 and headset main body portion 110 can keep being electrically connected.
Refer to Fig. 3, Fig. 3 is the partial cross section schematic diagram of the bracelet type Bluetooth earphone shown in Fig. 1.As shown in Figure 3, it illustrates the concrete structure of first interface unit 303 and the second interface unit 305, wherein, first interface unit 303 is 4 outstanding pins, second interface unit 305 also adopts the pin of 4 same sizes, the pin of the second interface unit 305 is inverted, and pin outstanding with 4 of first interface unit 303 is respectively corresponding arranges, make when first interface unit 303 is connected with the second interface unit 305, each pin in first interface unit 303 all can be electrically connected with the corresponding pin in the second interface unit 305.
The number of pins that it should be noted that first interface unit 303 and the second interface unit 305 can be other quantity, and it can be expanded according to circuit, and the present invention is not construed as limiting this.
Refer to Fig. 4, wherein Fig. 4 is the electrical block diagram of bracelet type Bluetooth earphone circuit first embodiment of the present invention, is described in detail to the bracelet type Bluetooth earphone circuit that the present embodiment discloses below in conjunction with Fig. 4:
Bracelet type Bluetooth earphone circuit in the present embodiment is arranged in bracelet type Bluetooth earphone, it comprises the Bluetooth earphone circuit and bracelet body circuit that are separated and arrange, wherein, Bluetooth earphone circuit is arranged on the printed circuit board (PCB) 20 shown in Fig. 3, and bracelet body circuit is arranged on the printed circuit board (PCB) 40 shown in Fig. 3.
As shown in Figure 4, Bluetooth earphone circuit comprises Bluetooth antenna module 301, process chip 302 and first interface unit 303.Wherein, Bluetooth antenna module 301 is for obtaining the operating state of mobile phone, process chip 302 comprises first input end mouth RFP and the first output port GPIO_13, first input end mouth RFP is connected with Bluetooth antenna module 301, first input end mouth RFP obtains the operating state of mobile phone from Bluetooth antenna module, process chip 302 exports oscillation control signal according to this working state control first output port GPIO_13, first interface unit 303 is connected with the first output port GPIO_13, obtains this oscillation control signal from the first output port GPIO_13.
Specifically, process chip 302 can adopt Bluetooth signal process chip to realize, Bluetooth antenna module 301 comprises Bluetooth antenna 3011 and Bluetooth signal filter circuit 3012, Bluetooth antenna 3011 obtains the Bluetooth signal that modulation has the operating state of mobile phone, Bluetooth signal filter circuit 3012 can be used for carrying out filtering process to this Bluetooth signal, and the Bluetooth signal processed after filtering is inputed to first input end mouth RFP, and in process chip 302, carry out demodulation process to obtain the operating state of mobile phone.Wherein, Bluetooth signal filter circuit 3012 and Bluetooth antenna 3011 are this area common technology, do not repeat in this.
Bracelet body circuit comprises motor 304, switch triode Q1 and the second interface unit 305.Wherein, the emitter E that motor 304 comprises positive source incoming end IN and power cathode incoming end OUT, switch triode Q1 is connected with power cathode incoming end OUT, collector electrode C ground connection, and the second interface unit 305 is connected with the base stage B of switch triode.
First interface unit 303 is connected with the second interface unit 305 alternative, and when first interface unit 303 is connected with the second interface unit 305, first output port GPIO_13 is connected with the base stage B of switch triode Q1, base stage B is communicated with collector electrode C according to the emitter E of the oscillation control signal control switch triode Q1 that the first output port GPIO_13 exports, rotate to make the rotating shaft 3042 of motor 304, rotating shaft 3042 one end is fixedly installed cam 3041, and cam 3,041 3042 rotates to produce vibration around the shaft.
In the alternative of bracelet type Bluetooth earphone circuit of the present invention, process chip 302 can export the oscillation control signal with different frequency according to different working state control first output port GPIO_13.Wherein, this operating state comprises coming electricity condition, get new message state, get new mail state and the not enough state of electricity etc., the oscillation control signal with different frequency corresponds to different operating states, cam 3041 is made to produce vibration with different frequencies, user can know the operating state of mobile phone according to the vibration interval of bracelet body, for example, can arrange oscillation control signal corresponding to electricity condition is that high level continues 6s, low level continues 6s, now, the rotating shaft 3042 of motor 304 can rotate 6s continuously, and the 6s that stops operating, so repeatedly, accordingly, cam 3041 produces the vibration of 6s on bracelet body, and stop vibration 6s, so repeatedly, user by the time of vibration that perceives bracelet body to know that operating state that mobile phone is corresponding is for carrying out electricity condition.
In bracelet type Bluetooth earphone circuit first embodiment of the present invention, inputing to the supply power voltage that positive source incoming end IN thinks that motor 304 carries out powering is provided by Bluetooth earphone circuit.Specifically, referring again to Fig. 4, as shown in Figure 4, bracelet body circuit arranges voltage transformation unit 306 between the second interface unit 305 and the positive source incoming end IN of motor 3043, and voltage transformation unit 306 comprises voltage input end VIN and voltage output end VOUT.Process chip 302 comprises the first power supply port VBAT, and first interface the unit 303 and first port VBAT that powers is connected, and voltage input end VIN is connected with the second interface unit 305, and voltage output end VOUT is connected with positive source incoming end IN.Process chip 302 controls the first power supply port VBAT and exports supply power voltage, when first interface unit 303 is connected with the second interface unit 305, voltage input end VIN and the first port VBAT that powers is connected, and this supply power voltage inputs to voltage input end VIN by the first power supply port VBAT.The supply power voltage obtained from the second interface unit 305 is converted to the rated operational voltage of motor 304 and exports voltage output end VOUT to by voltage transformation unit 306, to power to motor 304.
Certainly, voltage transformation unit 306 is not necessary element, and when supply power voltage is rated motor operating voltage, this voltage transformation unit 306 can be omitted, and after voltage transformation unit 306 is omitted, technical solution of the present invention still can obtain constructed effect.As after omission voltage transformation unit 306, second interface unit 305 is directly connected with positive source incoming end IN, process chip 302 controls the first power supply port VBAT and exports supply power voltage, when first interface unit 303 is connected with the second interface unit 305, positive source incoming end IN and the first port VBAT that powers is connected, and this supply power voltage inputs to positive source incoming end IN by the first power supply port VBAT.
In above-described embodiment, supply power voltage is provided to motor 304 by Bluetooth earphone circuit, when first interface unit 303 and the second interface unit 305 disconnect, supply power voltage is no longer provided to motor 304, thus making when user picks up bluetooth earphone from bracelet body, bracelet body stops vibration automatically.Further, in bracelet type Bluetooth earphone circuit alternative of the present invention, bracelet body is provided with battery, the positive pole of this battery is connected IN with positive source incoming end, minus earth, the positive pole of this battery provides supply power voltage to enter to positive source incoming end IN, thus the battery utilizing bracelet body itself to carry is powered for motor, also can obtain identical technique effect.But in this kind of embodiment, the battery on bracelet body needs long-term work, its power consumption is comparatively large, and therefore, the present invention preferably adopts the execution mode being provided supply power voltage by Bluetooth earphone circuit to motor 304.
In addition, be provided with resistance R9 between the base stage B of switch triode and the second interface 305, it is for generation of base current, and its resistance can be such as 510 ohm.Further, between the base stage B and positive source incoming end IN of switch triode, be more provided with resistance R12, it is a pull-up resistor, and for improving the pressure drop of base stage B, its resistance can be such as 1000k ohm.
Wherein, above-mentioned switch triode model can be specially BC856T, the model of transformer 304 can be specially XC6204B332MR, when adopting the transformer of XC6204B332MR model, its GND port ground connection, CE port is connected with voltage input end VIN, NC port is unsettled, further, filter capacitor can be respectively arranged with at voltage input end VIN and voltage output end VOUT, to carry out ac filter process to the voltage of two-port.
Please continue see Fig. 4, as shown in Figure 4, bracelet body circuit more comprises USB interface 307, process chip 302 comprises charging voltage input port VCHG, the VBUS port of USB interface 307 is connected with the second interface unit 305 by filter circuit 307, the Data+ port of USB interface 307 and the unsettled setting of Data-port, charging voltage input port VCHG is connected with first interface unit 303, when first interface unit 303 is connected with the second interface unit 305, VBUS port is connected with this charging voltage input port VCHG by filter circuit 307, therefore, when the USB charger of outside is inserted in USB interface 307, VBUS port gets the+5V charging voltage that USB charger provides, after the filtering process of this charging voltage circuit 307 after filtering, input to the charging voltage input port VCHG of process chip 302, thus charge for the carrying out of Bluetooth earphone circuit.
Wherein, the charging voltage input port VCHG of process chip 302 can be used for providing the battery of power supply (not illustrating) to charge for process chip 302, and this portion of techniques content is this area common technology, does not repeat in this.
It should be noted that above-mentioned filter circuit 307 carries out filtering process for providing+5V charging voltage to USB charger, when the charging voltage that USB charger provides is constant, this filter circuit 307 can be omitted.
Below refer to Fig. 5, Fig. 5 is the electrical block diagram of bracelet type Bluetooth earphone circuit second embodiment of the present invention, as shown in Figure 5, bracelet type Bluetooth earphone circuit second embodiment of the present invention is roughly the same with the first above-mentioned embodiment, its difference is, have employed process chip 402, first interface unit 403 and the second interface unit 405, wherein, relative to the first embodiment for, first data processing port GPIO2 and the second data processing port GPIO3 is more set in process chip 402, and arrange further the first data processing port GPIO2 and the second data processing port GPIO3 respectively first interface unit 403 be connected, and, the Data+ port that the basis of the first embodiment arranges USB interface 307 is connected with the second interface unit 405 respectively with Data-port, and, when first interface unit 303 is connected with the second interface unit 305, Data+ end is connected with the first data processing port GPIO2, Data-port is connected with the second data processing port GPIO3, therefore, in the present embodiment, when the USB data transmission equipment of outside is inserted in USB interface 307, the Data+ port of USB interface 307 and Data-port can get corresponding data level signal from USB data transmission equipment, this data level signal can transfer to the first data processing port GPIO2 and the second data processing port GPIO3 of process chip 402 respectively, similarly, first data processing port GPIO2 and the second data processing port GPIO3 of process chip 402 also can produce data level signal and transmit it in USB data transmission equipment, therefore, in the present embodiment, USB interface 307 has more data-transformation facility.
In the present embodiment, bracelet type Bluetooth earphone circuit is by being separated setting by Bluetooth earphone circuit with bracelet body circuit, the circuit utilizing first interface unit and the second interface unit to realize between Bluetooth earphone circuit and bracelet body circuit connects, Bluetooth earphone circuit produces oscillation control signal according to working state of mobile phone, and utilize circuit connection that this oscillation control signal is transferred to bracelet body circuit to control the revolution on bracelet body circuit, thus produce vibration, the operating state of energy instant alerts user mobile phone changes, mobile phone state can not be have ignored because ambient sound is noisy, improve Consumer's Experience.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a bracelet type Bluetooth earphone circuit, it is characterized in that, described circuit comprises the Bluetooth earphone circuit and bracelet body circuit that are separated and arrange, described Bluetooth earphone circuit is arranged in bluetooth earphone, described bracelet body circuit is arranged in bracelet body, described bluetooth earphone is separable is arranged at described bracelet body, wherein:
Described Bluetooth earphone circuit comprises:
Bluetooth antenna module, for obtaining the operating state of mobile phone;
Process chip, comprise first input end mouth and the first output port, described first input end mouth is connected with described Bluetooth antenna module, obtain described operating state from described Bluetooth antenna module, described process chip first output port according to described working state control exports oscillation control signal;
First interface unit, is connected with described first output port;
Described bracelet body circuit comprises:
Motor, comprises positive source incoming end and power cathode incoming end, and a supply power voltage inputs to described positive source incoming end and thinks described motor power supplying;
Switch triode, the emitter of described switch triode is connected with described power cathode incoming end, grounded collector;
Second interface unit, is connected with the base stage of described switch triode;
Wherein, described first interface unit is connected with described second interface unit alternative, and when described first interface unit is connected with described second interface unit, described first output port is connected with described base stage, described base stage controls described emitter according to the described oscillation control signal that described first output port exports and is communicated with described collector electrode, to make the axis of rotation of described motor, described rotating shaft one end is fixedly installed cam, described rotating shaft drives described cam to rotate to produce vibration, described process chip comprises the first power supply port further, described first interface unit port of powering with described first is further connected, described second interface unit is connected with described positive source incoming end further, described process chip controls described first power supply port and exports described supply power voltage, when described first interface unit is connected with described second interface unit, described positive source incoming end and described first port of powering is connected, described supply power voltage inputs to described positive source incoming end by described first power supply port.
2. circuit according to claim 1, is characterized in that, described bracelet body arranges voltage transformation unit further between described second interface unit and described positive source incoming end, and described voltage transformation unit comprises:
Voltage input end, is connected with described second interface unit;
Voltage output end, is connected with described positive source incoming end;
When described first interface unit is connected with described second interface unit, the described supply power voltage obtained from described second interface unit is converted to the rated operational voltage of described motor and exports described voltage output end to by described voltage transformation unit.
3. circuit according to claim 1, it is characterized in that, described bracelet body comprises USB interface further, described process chip comprises charging voltage input port further, the VBUS port of described USB interface is connected with described second interface unit, described charging voltage input port is connected with described first interface unit, and when described first interface unit is connected with described second interface unit, described VBUS port is connected with described charging voltage input port.
4. circuit according to claim 3, is characterized in that, Data+ port and the Data-port of described USB interface are unsettled.
5. circuit according to claim 3, it is characterized in that, the Data+ port of described USB interface is connected with described second interface unit respectively with Data-port, described process chip comprises the first data processing port and the second data processing port that are connected with described first interface respectively further, when described first interface unit is connected with described second interface unit, described Data+ end is connected with described first data processing port, and described Data-port is connected with described second data processing port.
6. circuit according to claim 1, is characterized in that, described process chip first output port according to different working state controls exports the oscillation control signal with different frequency.
7. circuit according to claim 6, is characterized in that, described operating state comprises coming electricity condition, gets new message state, gets new mail state and the not enough state of electricity.
8. a bracelet type Bluetooth earphone, is characterized in that, comprises the bracelet type Bluetooth earphone circuit described in any one of claim 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210100962.5A CN102647646B (en) | 2012-04-06 | 2012-04-06 | Bracelet type Bluetooth earphone and bracelet type Bluetooth earphone circuit |
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| CN201210100962.5A CN102647646B (en) | 2012-04-06 | 2012-04-06 | Bracelet type Bluetooth earphone and bracelet type Bluetooth earphone circuit |
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| CN102647646B true CN102647646B (en) | 2016-03-30 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101498087B1 (en) * | 2013-02-21 | 2015-03-03 | 엘지전자 주식회사 | Bluetooth headset |
| CN103763647A (en) * | 2013-12-25 | 2014-04-30 | 衡阳加一电子科技有限公司 | Bluetooth communication device |
| WO2016015209A1 (en) * | 2014-07-28 | 2016-02-04 | 华为技术有限公司 | Bluetooth communication method and device |
| CN107612106A (en) * | 2017-10-10 | 2018-01-19 | 深圳前海云霸智谷科技有限公司 | The application system of shared power circuit and the circuit |
| CN108766122B (en) * | 2018-06-22 | 2020-06-05 | 常州轻工职业技术学院 | Device for improving English pronunciation quality by touch sense |
| BR112021021746A2 (en) | 2019-04-30 | 2021-12-28 | Shenzhen Voxtech Co Ltd | Acoustic output device |
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| KR100642310B1 (en) * | 2005-08-22 | 2006-11-03 | 삼성전자주식회사 | Wrist watch type bluetooth headset assembly |
| CN201278554Y (en) * | 2008-10-27 | 2009-07-22 | 中国科学院计算技术研究所 | Incoming call prompt apparatus |
| CN201504255U (en) * | 2009-04-28 | 2010-06-09 | 崔进 | Cell phone signal sensor |
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